{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:QH255HBZJJUY4JHWAMM42DIEAT","short_pith_number":"pith:QH255HBZ","canonical_record":{"source":{"id":"1606.06762","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-06-20T16:41:13Z","cross_cats_sorted":[],"title_canon_sha256":"ba011b68e88b502bc1654c939bc0ceb5ca2c78c1b886f32db7efc9b5f65c0634","abstract_canon_sha256":"2a4705edbec2099f53ced4048a39df69abde28c44976a967d4ef8d0563062e8a"},"schema_version":"1.0"},"canonical_sha256":"81f5de9c394a698e24f60319cd0d0404cf81ee2338bf95610c6ce00287b6cd56","source":{"kind":"arxiv","id":"1606.06762","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.06762","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"1606.06762v1","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.06762","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"QH255HBZJJUY","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"QH255HBZJJUY4JHW","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"QH255HBZ","created_at":"2026-05-18T12:30:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:QH255HBZJJUY4JHWAMM42DIEAT","target":"record","payload":{"canonical_record":{"source":{"id":"1606.06762","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-06-20T16:41:13Z","cross_cats_sorted":[],"title_canon_sha256":"ba011b68e88b502bc1654c939bc0ceb5ca2c78c1b886f32db7efc9b5f65c0634","abstract_canon_sha256":"2a4705edbec2099f53ced4048a39df69abde28c44976a967d4ef8d0563062e8a"},"schema_version":"1.0"},"canonical_sha256":"81f5de9c394a698e24f60319cd0d0404cf81ee2338bf95610c6ce00287b6cd56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:02.284661Z","signature_b64":"Z1lMsGUsUPVC3sSY91alnEG2N3n9OHW9IwsFcqhU4PSkItW++OqTaQiHKXPXyZDA2jmDvtH9tNeCoNt4Zd7YAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81f5de9c394a698e24f60319cd0d0404cf81ee2338bf95610c6ce00287b6cd56","last_reissued_at":"2026-05-18T01:10:02.283974Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:02.283974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.06762","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n541YiWR3LdGC15yOxlNWGJuLt/34EiJuQZiDH6fjZw5NKmpdFMzqMRqRKmAcB63IEj2Hh2p/iVQox8jsIexCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:21:48.165268Z"},"content_sha256":"4f2f1c4ff4757f782073f4a3b35775b1a973bc8ef647ed5baa67b7961f8462e1","schema_version":"1.0","event_id":"sha256:4f2f1c4ff4757f782073f4a3b35775b1a973bc8ef647ed5baa67b7961f8462e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:QH255HBZJJUY4JHWAMM42DIEAT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Set-up of a High-Resolution 300 mK Atomic Force Microscope in an Ultra-High Vacuum Compatible 3He/10T Cryostat","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Alexander Schwarz, Arne K\\\"ohler, Henning von Allw\\\"orden, Kai Ruschmeier, Roland Wiesendanger, Thomas Eelbo","submitted_at":"2016-06-20T16:41:13Z","abstract_excerpt":"The design of an atomic force microscope with an all-fiber interferometric detection scheme capable of atomic resolution at about 500 mK is presented. The microscope body is connected to a small pumped 3He reservoir with a base temperature of about 300 mK. The bakeable insert with the cooling stage can be moved from its measurement position inside the bore of a superconducting 10 T magnet into an ultra-high vacuum chamber, where tip and sample can be exchanged in-situ. Moreover, single atoms or molecules can be evaporated onto a cold substrate located inside the microscope. Two side chambers a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.06762","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7l+AtSndi0h0Zn7oBuzUkp+RvCUYxWZPEnoF9k/OjzIo6Qwn3xqu1DuijljVY+WPxS1DxI+8qrfHaCWmsPGzDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:21:48.165670Z"},"content_sha256":"46bd469d94b442b51cab93fb4e46b0d98ae6aea711c7cbb2d45755d8bc3d80f6","schema_version":"1.0","event_id":"sha256:46bd469d94b442b51cab93fb4e46b0d98ae6aea711c7cbb2d45755d8bc3d80f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QH255HBZJJUY4JHWAMM42DIEAT/bundle.json","state_url":"https://pith.science/pith/QH255HBZJJUY4JHWAMM42DIEAT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QH255HBZJJUY4JHWAMM42DIEAT/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-25T21:21:48Z","links":{"resolver":"https://pith.science/pith/QH255HBZJJUY4JHWAMM42DIEAT","bundle":"https://pith.science/pith/QH255HBZJJUY4JHWAMM42DIEAT/bundle.json","state":"https://pith.science/pith/QH255HBZJJUY4JHWAMM42DIEAT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QH255HBZJJUY4JHWAMM42DIEAT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:QH255HBZJJUY4JHWAMM42DIEAT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"2a4705edbec2099f53ced4048a39df69abde28c44976a967d4ef8d0563062e8a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-06-20T16:41:13Z","title_canon_sha256":"ba011b68e88b502bc1654c939bc0ceb5ca2c78c1b886f32db7efc9b5f65c0634"},"schema_version":"1.0","source":{"id":"1606.06762","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.06762","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"1606.06762v1","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.06762","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"QH255HBZJJUY","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"QH255HBZJJUY4JHW","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"QH255HBZ","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:46bd469d94b442b51cab93fb4e46b0d98ae6aea711c7cbb2d45755d8bc3d80f6","target":"graph","created_at":"2026-05-18T01:10:02Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The design of an atomic force microscope with an all-fiber interferometric detection scheme capable of atomic resolution at about 500 mK is presented. The microscope body is connected to a small pumped 3He reservoir with a base temperature of about 300 mK. The bakeable insert with the cooling stage can be moved from its measurement position inside the bore of a superconducting 10 T magnet into an ultra-high vacuum chamber, where tip and sample can be exchanged in-situ. Moreover, single atoms or molecules can be evaporated onto a cold substrate located inside the microscope. Two side chambers a","authors_text":"Alexander Schwarz, Arne K\\\"ohler, Henning von Allw\\\"orden, Kai Ruschmeier, Roland Wiesendanger, Thomas Eelbo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-06-20T16:41:13Z","title":"Set-up of a High-Resolution 300 mK Atomic Force Microscope in an Ultra-High Vacuum Compatible 3He/10T Cryostat"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.06762","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:4f2f1c4ff4757f782073f4a3b35775b1a973bc8ef647ed5baa67b7961f8462e1","target":"record","created_at":"2026-05-18T01:10:02Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"2a4705edbec2099f53ced4048a39df69abde28c44976a967d4ef8d0563062e8a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-06-20T16:41:13Z","title_canon_sha256":"ba011b68e88b502bc1654c939bc0ceb5ca2c78c1b886f32db7efc9b5f65c0634"},"schema_version":"1.0","source":{"id":"1606.06762","kind":"arxiv","version":1}},"canonical_sha256":"81f5de9c394a698e24f60319cd0d0404cf81ee2338bf95610c6ce00287b6cd56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81f5de9c394a698e24f60319cd0d0404cf81ee2338bf95610c6ce00287b6cd56","first_computed_at":"2026-05-18T01:10:02.283974Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:02.283974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z1lMsGUsUPVC3sSY91alnEG2N3n9OHW9IwsFcqhU4PSkItW++OqTaQiHKXPXyZDA2jmDvtH9tNeCoNt4Zd7YAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:02.284661Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.06762","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f2f1c4ff4757f782073f4a3b35775b1a973bc8ef647ed5baa67b7961f8462e1","sha256:46bd469d94b442b51cab93fb4e46b0d98ae6aea711c7cbb2d45755d8bc3d80f6"],"state_sha256":"adaecfc89f57a34d528029b87b5acd9a439880c5f793875e08fc7a005aad7ee3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MAEScKQDKVtHNGvnDLC6E7t+QNoLM4FmPzINuQMAIcGfjDnuSTVbR2kJEcm9NO++VwRA+82iwuyrF5xDaKTgDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:21:48.167904Z","bundle_sha256":"021d7bc3b27f76e6c216bf8aaaf81d3fcc4b18c90ca418ad34c596834dc697e9"}}